Keep a particular snapshot

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Just wanted to mention that in rustic (A restic client written in rust - #8 by alexweiss) I added the option --keep-id which does exactly this, i.e. keep that particular snapshot. But here, also this option has to be given for each forget run.

Actually thinking about it I would favor to add an extra (optional) field remove_after in each snapshot file:

  • "remove_after":"2023-04-26T14:38:45.569970645+02:00" would mean this snapshot is automatically removed by a forget run after the given date
  • "remove_after":"never" would mean this snapshot is never removed at all by forget
  • "remove_after":"instantly" would mean this snapshot is removed by the next forget run.

Then we would additionally need a command to modify this field in one ore more snapshots…

Do you like this idea? Any thoughts?

I’l sleep a night over this and maybe include it in rustic :wink: